Fatal error: Uncaught Error: Class 'Doctrine\ORM\Query\Exec\AbstractSqlExecutor' not found in D:\workspaces\liZiPingBack\vendor\doctrine\orm\lib\Doctrine\ORM\Query\Exec\MultiTableDeleteExecutor.php:26 Stack trace: #0 {main} thrown in D:\workspaces\liZiPingBack\vendor\doctrine\orm\lib\Doctrine\ORM\Query\Exec\MultiTableDeleteExecutor.php on line 26